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"2 Sheets-Sheet. 1. T B. VIOKERS. MACHINE FOR ROLLING TIRES.

No. 79 ,416. 7 Patented June30, 1868 V 2 Sheets-Shed 2. T. B; VICKERS. MAGHIN'BPOR ROLLING TIRES,

No. 79,416. Patented June so, 1868.

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Letterb Patent No. 79,416, dated June 80, 1868.

IMPROVED MAGHINE Iron ROLLING TIRES.

dig: some nfcmh-io'ic thesefietters fiait'n't ant making god of the same TO ALL .WHOM IT MAY CONCERN:

Be it known that I, Taurus EDWARD VrcKnns, of Sheflield, in the county of York, England, have invented certain new rind useful Improvements in'Mochinery for Rolling Hoops or Tires for Wheelsor other purposes end I do hereby declare" that the following is as full and exact description thereof, reference being had to the accompanying drawingmmnkin g'pnrtof this application My invention consistslin so arranging smiling-mill that therports of the rolls between which the work is performed are wide to overhang -their bearingsynnd the remaining parts of the rolls, instead oi being pl'ec'ed eide by side, or one-above the other, osis usunl, ore extended in opposite directions, so that the hoop to be rolled or the work to he performed msy hepla oed and confined betweencollars or fi anches, of which only'jo ne is upon eaeh roll and which flinch, from its position, may pass, if required, up to, orbe'yond the centre of the other roll. In ihe aeeompanying drawing-.-

Figure I is a: plan view end Figure 2 a sectional elevotioniof'one of my impro'yed mochines, constructed for rolling hoopsor tires for railway-wheels,

A is the roll intended to operate on the inside of the tire or hoop, and is called the inner roll,-o.nd is provided with a; flal'ICh, A"-' -'13 is another roll for rolling or forming the outside or periphery of the tire; this is also provided with u. flaneh, B' The feces of the flanehes or collnrs A" and B are so arrongedrthot when at worlq'they are at the some time in contoct' with the ends of the opposite rolls, thot is to soy the-flanoh A is in dontactwith the-end of the-roll B; and the-flinch Bf'is inoontact with thecnd'of theroll A, thus enabling the working part of the: rolls, or of one-ofthem, such he the-roll A; to be'made of small diameter, soas to be eepahle oi operating upon 0; hoop'hoving a. small hole, say'ooi" only six or eight inchesdiameter in the centre, and having the outside diameter much greater, shy three orjfour times us much. As ollthe wor'k is. performed between the callers or flanches'A" and B" of the rolls A :rndB, all-unduoldterol spreading oft he tire will be prevented.- Oneof the rolls isto be mndemovoble by hydraulic power,-or by screws or other known means,- in order to effect the compression of' the metal whilst rollin gghnd to ,enablothe hoops-to be put on or tnkenofi' the inner roll. In the drawing, the roil B is shown .ns thrning in bee-rings nttnchcd'to the movable carriage C, which is capable of being raised end lowered bythe'rnhi G. of the hydraulic cylinder F, and thus may be raised and'lowered so as, to give the tire or hoop the required pressure, 31nd allow it"to be put on or taken off the inner rolh The upper part. oilthc' carriage O is steadied by guides fixed in the" framing Di It will'n'ow be nnderstood that if the several partsbe intheposition shown in fig. 2, arough hoop for e railwoy-ti re,'when heated, maybe placed on the roll Ay'oLnd then, hy pumping water into-the cylinder F, therein G, andwith it the carriage C and outer" roll B, will be raised, and tho latter brouglit'np and uizide' to bear against the outer periphery of the hoop or tii'e, nnd hy compressin g it'hetween'tho two rolls Annd B, the tire will'he rolled into the required form.

The invention also consists in applying driving-power separately and independently to the rolls A and so'thnt each of these latter may driven at its proper speed'in proportion to its diameter, end to the varying difference between the internni and external diameters of the tire or'h'oop which is being operdted upon.

As in the improved rolling' mfli the driving-endsof' the rolls project from opposite sides of the machine, this sepornte driving of the rolls eitn' be efieoted without diflioulty or complication of; parts. A I The mode of actunting the working-rolis in 'rn'dchirieiy. of this kind is so well known", that I have notthought it necessary to show the geering in the d'rawing, nor to give any detail description of it, as it need not difi'er in principle or construction from the toothed gearing usually employed for analogous purposes. 7

[Having now'descrihed my improvements in mnchineryibr rolling hoops on tires for wheels or other P111.

poses," and having explained the manner of carrying the .sume into 'eii'ect, whati claim as new. and desire to secure .by Letters Patent, is-

So nrrnnging a rolling-mill that the parts or the rolls between whiehthe work is pe'rformed sh'oll overhung their hearing, end the remaining parts of therolls be extended in opposite directions, as described, when the roils'are provided with'flanches; the whole constructed to operate as and fo'rthepurposes set forth,

' In witness whereof Ihave hereunto set my hand and seal; this fourteenth day of February, intho year of our Lord one thousand oight hundred and sixty-eight.

, l T. EDWARD VI GKERS; 8.]

- Witnesses:

Hnunx'Ymxsns, Solicitor, Shefield.- C ne. E. VIOKERQ, his (Hark.- 

